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Finding the Fourth Proportional to 104,194.40, 143,788.08 and 56,448.94

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Solution

The fourth proportional to 104,194.40, 143,788.08 and 56,448.94 is: 77,899.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,194.40 : 143,788.08 = 56,448.94 : x
  2. Step 2: Convert to fraction form
    104,194.40/143,788.08 = 56,448.94/x
  3. Step 3: Cross multiply
    104,194.40x = 143,788.08 × 56,448.94
  4. Step 4: Simplify right side
    104,194.40x = 8,116,684,700.64
  5. Step 5: Solve for x
    x = 8,116,684,700.64/104,194.40
  6. Step 6: Final answer
    x = 77,899.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.